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From: Al Viro <viro@zeniv.linux.org.uk>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Denis Kirjanov <kda@linux-powerpc.org>,
	Christoph Hellwig <hch@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Jakub Kicinski <kuba@kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 1/8] af_unix: take address assignment/hash insertion into a new helper
Date: Sat, 20 Feb 2021 21:08:55 +0000	[thread overview]
Message-ID: <YDF6Z8QHh3yw7es9@zeniv-ca.linux.org.uk> (raw)
In-Reply-To: <CAM_iQpXX7SBGgUkBUY6BEjCqJYbHAUW5Z3VtV2U=yhiw1YJr=w@mail.gmail.com>

On Sat, Feb 20, 2021 at 12:31:49PM -0800, Cong Wang wrote:
> Because it does not lock the lock, just compare:
> 
> lock();
> __unix_set_addr();
> unlock();
> 
> to:
> 
> lock();
> __unix_set_addr();
> 
> Clearly the former is more readable and less error-prone. Even
> if you really want to do unlock, pick a name which explicitly says
> it, for example, __unix_set_addr_unlock().

*shrug*

If anything, __unix_complete_bind() might make a better name for that,
with dropping ->bindlock also pulled in, but TBH I don't have sufficiently
strong preferences - might as well leave dropping the lock to caller.

I'll post that series to netdev tonight.

  reply	other threads:[~2021-02-20 21:10 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-25 15:49 [PATCH] fs: export kern_path_locked Denis Kirjanov
2021-01-27 17:57 ` Christoph Hellwig
     [not found]   ` <CAOJe8K0MC-TCURE2Gpci1SLnLXCbUkE7q6SS0fznzBA+Pf-B8Q@mail.gmail.com>
     [not found]     ` <20210129082524.GA2282796@infradead.org>
     [not found]       ` <CAOJe8K0iG91tm8YBRmE_rdMMMbc4iRsMGYNxJk0p9vEedNHEkg@mail.gmail.com>
     [not found]         ` <20210129131855.GA2346744@infradead.org>
2021-02-14 18:17           ` Al Viro
2021-02-16 14:31             ` Denis Kirjanov
2021-02-16 18:00               ` Al Viro
2021-02-19  4:11                 ` Al Viro
2021-02-19  4:19                   ` [PATCH 1/8] af_unix: take address assignment/hash insertion into a new helper Al Viro
2021-02-20 19:12                     ` Cong Wang
2021-02-20 19:32                       ` Al Viro
2021-02-20 20:31                         ` Cong Wang
2021-02-20 21:08                           ` Al Viro [this message]
2021-02-22 19:06                             ` [PATCHSET] making unix_bind() undo mknod on failure Al Viro
2021-02-22 19:12                               ` [PATCH 1/8] af_unix: take address assignment/hash insertion into a new helper Al Viro
2021-02-22 19:12                                 ` [PATCH 2/8] unix_bind(): allocate addr earlier Al Viro
2021-02-22 19:12                                 ` [PATCH 3/8] unix_bind(): separate BSD and abstract cases Al Viro
2021-02-22 19:12                                 ` [PATCH 4/8] unix_bind(): take BSD and abstract address cases into new helpers Al Viro
2021-02-22 19:12                                 ` [PATCH 5/8] fold unix_mknod() into unix_bind_bsd() Al Viro
2021-02-22 19:12                                 ` [PATCH 6/8] unix_bind_bsd(): move done_path_create() call after dealing with ->bindlock Al Viro
2021-02-22 19:12                                 ` [PATCH 7/8] unix_bind_bsd(): unlink if we fail after successful mknod Al Viro
2021-02-22 19:12                                 ` [PATCH 8/8] __unix_find_socket_byname(): don't pass hash and type separately Al Viro
2021-02-22 19:12                               ` [PATCHSET] making unix_bind() undo mknod on failure Al Viro
2021-02-22 19:24                                 ` Al Viro
2021-02-24  0:40                               ` Jakub Kicinski
2021-02-19  4:20                   ` [PATCH 2/8] unix_bind(): allocate addr earlier Al Viro
2021-02-19  4:21                   ` [PATCH 3/8] unix_bind(): separate BSD and abstract cases Al Viro
2021-02-19  4:21                   ` [PATCH 4/8] unix_bind(): take BSD and abstract address cases into new helpers Al Viro
2021-02-19  4:22                   ` [PATCH 5/8] fold unix_mknod() into unix_bind_bsd() Al Viro
2021-02-19  4:22                   ` [PATCH 6/8] unix_bind_bsd(): move done_path_create() call after dealing with ->bindlock Al Viro
2021-02-19  4:23                   ` [PATCH 7/8] unix_bind_bsd(): unlink if we fail after successful mknod Al Viro
2021-02-19  4:23                   ` [PATCH 8/8] __unix_find_socket_byname(): don't pass hash and type separately Al Viro

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